diff options
Diffstat (limited to 'hw/i386/xen/xen-hvm.c')
| -rw-r--r-- | hw/i386/xen/xen-hvm.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/hw/i386/xen/xen-hvm.c b/hw/i386/xen/xen-hvm.c index 006d219ad5..4f6446600c 100644 --- a/hw/i386/xen/xen-hvm.c +++ b/hw/i386/xen/xen-hvm.c @@ -584,6 +584,26 @@ static void xen_wakeup_notifier(Notifier *notifier, void *data) xc_set_hvm_param(xen_xc, xen_domid, HVM_PARAM_ACPI_S_STATE, 0); } +static bool xen_check_stubdomain(struct xs_handle *xsh) +{ + char *dm_path = g_strdup_printf( + "/local/domain/%d/image/device-model-domid", xen_domid); + char *val; + int32_t dm_domid; + bool is_stubdom = false; + + val = xs_read(xsh, 0, dm_path, NULL); + if (val) { + if (sscanf(val, "%d", &dm_domid) == 1) { + is_stubdom = dm_domid != 0; + } + free(val); + } + + g_free(dm_path); + return is_stubdom; +} + void xen_hvm_init_pc(PCMachineState *pcms, MemoryRegion **ram_memory) { MachineState *ms = MACHINE(pcms); @@ -596,6 +616,8 @@ void xen_hvm_init_pc(PCMachineState *pcms, MemoryRegion **ram_memory) xen_register_ioreq(state, max_cpus, &xen_memory_listener); + xen_is_stubdomain = xen_check_stubdomain(state->xenstore); + QLIST_INIT(&xen_physmap); xen_read_physmap(state); |